search

UlyssesZh / UlyssesZh.github.io

Ulysses Zhan's blog!
https://UlyssesZh.github.io
MIT License
3 stars 3 forks source link

When a supersonic airplane fly over your head | Ulysses’ trip #69

Open UlyssesZh opened 1 year ago

UlyssesZh commented 1 year ago

https://ulysseszh.github.io/physics/2022/11/18/supersonic-overhead.html

Suppose a supersonic airplane has Mach number $M$. It flies horizontally. At some time, it fly past over your head at height $h$. Then, the distance between you and it when you have just heard it is $Mh$.